CCleaner - FAQ
Optimization and Cleaning
Do I need to uninstall the old version of CCleaner when upgrading?
No, you can install newer versions over the top of older versions, without having to uninstall.
If you do uninstall an old version first, you will lose your existing settings.
Product News
April 25, 2013
CCleaner v4.01Improved browser support!
April 23, 2013
Defraggler v2.14Added Freespace Defrag to scheduler!
April 17, 2013
CCleaner for Mac v1.07New interface and icon!